40434674479 has 4 divisors (see below), whose sum is σ = 40435205976. Its totient is φ = 40434142984.

The previous prime is 40434674477. The next prime is 40434674503. The reversal of 40434674479 is 97447643404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40434674479 - 2¹ = 40434674477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434674477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127744 + ... + 311749.

It is an arithmetic number, because the mean of its divisors is an integer number (10108801494).

Almost surely, 2^40434674479 is an apocalyptic number.

40434674479 is a deficient number, since it is larger than the sum of its proper divisors (531497).

40434674479 is an equidigital number, since it uses as much as digits as its factorization.

40434674479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531496.

The product of its (nonzero) digits is 8128512, while the sum is 52.

The spelling of 40434674479 in words is "forty billion, four hundred thirty-four million, six hundred seventy-four thousand, four hundred seventy-nine".